Home / 100,697.20-151,036.02-30,577.12

Finding the Fourth Proportional to 100,697.20, 151,036.02 and 30,577.12

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Solution

The fourth proportional to 100,697.20, 151,036.02 and 30,577.12 is: 45,862.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,697.20 : 151,036.02 = 30,577.12 : x
  2. Step 2: Convert to fraction form
    100,697.20/151,036.02 = 30,577.12/x
  3. Step 3: Cross multiply
    100,697.20x = 151,036.02 × 30,577.12
  4. Step 4: Simplify right side
    100,697.20x = 4,618,246,507.86
  5. Step 5: Solve for x
    x = 4,618,246,507.86/100,697.20
  6. Step 6: Final answer
    x = 45,862.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.